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Mourning Doves Raise Triplets, C. V. Duff Sep 1951

Fishing Efficiency Of The Black Skimmer, L. Irby Davis Sep 1951

Recent Bird Records From Northeastern Colorado, Richard G. Beidleman Sep 1951

Sitka Crossbill In Kansas, Harrison B. Tordoff Sep 1951

Caprimulgus Ridgwayi In Michoacan, Mexico, George Miksch Sutton Sep 1951

Short-Eared Owl Eaten By Horned Owl, Merlin L. Killpack Sep 1951

Front Matter (Pdf), The Condor Sep 1951

Back Matter (Pdf), The Condor Sep 1951

A List Of The Birds Of Nevada, Jean M. Linsdale Sep 1951

Cooper Club Meetings, The Condor Sep 1951

Notes And News, The Condor Sep 1951

A Study Of Nesting Wood Ducks In Iowa, Frederic Leopold Sep 1951

Breeding Seasons Of Hummingbirds Near Santa Barbara, California, Frank A. Pitelka Jul 1951

Notes And News, The Condor Jul 1951

Nesting Density Of Virginia And Sora Rails In Michigan, Andrew J. Berger Jul 1951

The Lucifer Hummingbird In The United States, Walter P. Taylor, Allan J. Duvall Jul 1951

A Quail From The Oligocene Of Colorado, Harrison B. Tordoff Jul 1951

Back Matter (Pdf), The Condor Jul 1951

Relationships Between Birds And Deer, Thane Riney Jul 1951

Prior Description Of Two Mexican Birds By Andrew Jackson Grayson, Lois Chambers Taylor Jul 1951

A Summer Record Of The Great Gray Owl In Oregon, Stanley G. Jewett Jul 1951

Least Tern In Southeastern New Mexico, Henri C. Seibert Jul 1951

The Painted Redstart At Santa Barbara, California, Egmont Z. Rett Jul 1951

Autumn Bird Notes From The Charleston Mountains, Nevada, Warren M. Pulich, Allen R. Philips Jul 1951

The Identity Of Two Asiatic Birds Recorded From Nunivak Island, Alaska, Alexander Wetmore Jul 1951

Front Matter (Pdf), The Condor Jul 1951

The Seasonal Occurrence Of Shorebirds On Bay Farm Island, Alameda County, California, Robert W. Storer Jul 1951

Geographic Variation Of The Screech Owls Of The Deserts Of Western North America, Alden H. Miller, Loye Miler Jul 1951

The Clark Nutcracker In San Diego County, California, Bayard H. Brattstrom, James R. Sams Jul 1951

Pebble-Dropping By House Sparrows, Edmund C. Jaeger Jul 1951